#!/usr/bin/perl

# Based on make_names.pl

#

# Copyright (C) 2005, 2006, 2007, 2009 Apple Inc. All rights reserved.

# Copyright (C) 2009, Julien Chaffraix <jchaffraix@webkit.org>

# Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)

# Copyright (C) 2009 Robert Hogan <robert@roberthogan.net>

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions

# are met:

#

# 1.  Redistributions of source code must retain the above copyright

#     notice, this list of conditions and the following disclaimer.

# 2.  Redistributions in binary form must reproduce the above copyright

#     notice, this list of conditions and the following disclaimer in the

#     documentation and/or other materials provided with the distribution.

# 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

#     its contributors may be used to endorse or promote products derived

#     from this software without specific prior written permission.

#

# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# This script reads Version.xcconfig and returns either or both of the major and minor

# WebKit version numbers. It is currently used by WebKit.pri.

use strict;

use Config;

use Getopt::Long;

use File::Path;

use Switch;

my $usage = "generate-webkitversion --config WebKit/mac/Configurations/Version.xcconfig --outputDir <outputdir>";

my $major_version = "";

my $minor_version = "";

# The appropriate Apple-maintained Version.xcconfig file for WebKit version information is in WebKit/mac/Configurations/.

my $configFile = "./WebKit/mac/Configurations/Version.xcconfig";

my $outputDir = "";

GetOptions('config=s' => \$configFile,

    'outputDir=s' => \$outputDir);

die "You must specify a --config <file> " unless (length($configFile));

die "You must specify a --outputDir <outputdir> " unless (length($outputDir));

die "./WebKit/mac/Configurations/Version.xcconfig does not exist: use --config <file> to specify its correct location." unless (-e $configFile);

die "$outputDir/ does not exist: use --outputDir <directory> to specify the location of an output directory that exists" unless (-e "$outputDir");

unless (open INPUT, "<", $configFile) { print STDERR "File does not exist: $configFile\n";}

while (my $line = <INPUT>) {

    chomp $line;

    if ($line =~ /^MAJOR_VERSION\s+=\s+\d+;/) {

      $line =~ s/^(MAJOR_VERSION)\s+(=)\s+(\d+);/$3/;

      $major_version = $line;

    }

    if ($line =~ /^MINOR_VERSION\s+=\s+\d+;/) {

      $line =~ s/^(MINOR_VERSION)\s+(=)\s+(\d+);/$3/;

      $minor_version = $line;

    }

}

$major_version = "531" unless (length($major_version));

$minor_version = "3" unless (length($minor_version));

my $webKitVersionPath = "$outputDir/WebKitVersion.h";

printWebKitVersionHeaderFile("$webKitVersionPath");

sub printLicenseHeader

{

    my $F = shift;

    print F "/*

 * THIS FILE IS AUTOMATICALLY GENERATED, DO NOT EDIT.

 *

 *

 * Copyright (C) 2009 Apple Computer, Inc.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

 */

";

}

sub printWebKitVersionHeaderFile

{

    my $headerPath = shift;

    my $F;

    open F, ">$headerPath";

    printLicenseHeader($F);

    print F "#ifndef WebKitVersion_h\n";

    print F "#define WebKitVersion_h\n\n";

    print F "#define WEBKIT_MAJOR_VERSION $major_version\n";

    print F "#define WEBKIT_MINOR_VERSION $minor_version\n\n";

    print F "#endif //WebKitVersion_h\n";

    close F;

}